20226940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 46103904

約数和(自身を除く): 25876964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1451, 2788, 2902, 3485, 5804, 6970, 7255, 13940, 14510, 24667, 29020, 49334, 59491, 98668, 118982, 123335, 237964, 246670, 297455, 493340, 594910, 1011347, 1189820, 2022694, 4045388, 5056735, 10113470, 20226940]

約数ペア:

[(1, 20226940), (2, 10113470), (4, 5056735), (5, 4045388), (10, 2022694), (17, 1189820), (20, 1011347), (34, 594910), (41, 493340), (68, 297455), (82, 246670), (85, 237964), (164, 123335), (170, 118982), (205, 98668), (340, 59491), (410, 49334), (697, 29020), (820, 24667), (1394, 14510), (1451, 13940), (2788, 7255), (2902, 6970), (3485, 5804)]